ceiling, which is why 2013 is a make or break. >> reporter: if those decisions are postponed again? >> well, it will be pushing the can down the road yet again, which was a reproach that we made against the europeans, and i don't think that the u.s. should fall in that trap. >> reporter: lagarde said governments and legislators can't be allowed to let up or slip back, that we can't go back to business as usual. >> pelley: anthony, thank you very much. democratic senator dianne feinstein of california introduced legislation today to reinstate the federal ban on assault weapons, but she acknowledged that supporters face an uphill battle. nancy cordes is at the top of that hill tonight in washington. nancy. >> reporter: scott, the bill that she and other democrats spruced today is even tougher than the assault weapons ban that congress let lapse back in 2004. this bill would ban the sale of 157 different military-style firearms. flanked by police officers, doctors, and mayors, senator dianne feinstein of california made her case today for banning the types of weapons used to carry out